Sensor element for detecting temperature and moisture

ABSTRACT

A sensor element for detecting temperature and moisture. The sensor element has a composition of (Ba1-kSrk) (Ti1-(1+m)Sn1Zrm)O3+xTiO2 wherein 0&lt;k&lt;/=1, 0&lt;/=1&lt;/=1, 0&lt;/=m&lt;/=1, 1+m NOTEQUAL 0 and x is between 0.5 wt % and 7 wt %. The composition also provides for improved sensitivity to temperature because the Curie point of the sensor element is shifted down by the use of at least two elements selected from Sr, Sn and Zr. The presence of TiO2 amplifies sensitivity against moisture variation and inhibits grain growth.



